TY  - RPRT
TI  - Two-loop chiral anomalies in open superstrings.
AU  - PH Frampton
AU  - TW Kephart
AU  - TC Yuan
PY  - 1987
DO  - 10.1103/physrevlett.59.1802
UR  - https://pubmed.ncbi.nlm.nih.gov/10035335/
ID  - 10035335
ER  -